If the entire galaxy (with a diameter of 100,000 light years) were represented by a circle with a diameter of 4,400 km (similar to the width of the continental United States) , then how far apart would be the Sun and its nearest stellar neighbor, Proxima Centauri (which is 4.2 light years away) ?
A) about 200 meters (about 2 football fields)
B) about 20 meters (about the size of a large classroom)
C) about 0.2 meters (about the length of an adult's forearm)
D) about 2 meters (about 2 long footsteps)
Correct Answer:
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